Vacuum cleaner



FIG. 1 is a top, front and right side perspective view of a vacuum cleaner showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a right side elevational view of the vacuum cleaner body tilted backward and the handle unfolded and extended. 

The ornamental design for a vacuum cleaner, as shown and described. 